CVE-2026-67311

MEDIUM 6.8

Budibase before 3.38.1 SSRF Blacklist Bypass via HTTP Redirect

CVSS Score

6.8

EPSS Score

0.0%

EPSS Percentile

0th

Budibase before 3.38.1 contains a server-side request forgery vulnerability in the REST datasource integration that fails to validate HTTP redirects against the IP blacklist. Attackers with Builder role can configure a REST datasource pointing to an external server that returns a redirect to internal IP addresses, bypassing blacklist protection to access cloud metadata endpoints and internal services.

CWE	CWE-918
Vendor	budibase
Product	budibase
Published	Aug 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Budibase / budibase

0 < 3.38.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/Budibase/budibase/security/advisories/GHSA-86f3-cqpq-wp9m vulncheck.com: https://www.vulncheck.com/advisories/budibase-before-ssrf-blacklist-bypass-via-http-redirect

Credits

🔍 offset